CVE-2020-28030 : What You Need to Know

Wireshark 3.2.0 to 3.2.7 is affected by a vulnerability in the GQUIC dissector that could lead to a crash. The issue has been resolved by correcting the implementation of offset advancement in epan/dissectors/packet-gquic.c.

Understanding CVE-2020-28030

This CVE entry pertains to a specific vulnerability in Wireshark versions 3.2.0 to 3.2.7.

What is CVE-2020-28030?

CVE-2020-28030 is a vulnerability in the GQUIC dissector of Wireshark versions 3.2.0 to 3.2.7 that could potentially result in a crash.

The Impact of CVE-2020-28030

The vulnerability could be exploited to cause a denial of service (DoS) condition by crashing the GQUIC dissector in affected versions of Wireshark.

Technical Details of CVE-2020-28030

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

The issue arises from a flaw in the GQUIC dissector, leading to a crash. The problem was addressed by fixing the offset advancement implementation in epan/dissectors/packet-gquic.c.

Affected Systems and Versions

Wireshark versions 3.2.0 to 3.2.7 are impacted by this vulnerability.

Exploitation Mechanism

Attackers could exploit this vulnerability to crash the GQUIC dissector, potentially leading to a DoS condition.

Mitigation and Prevention

Protecting systems from CVE-2020-28030 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update Wireshark to the latest version to mitigate the vulnerability.
Monitor vendor advisories and security mailing lists for any patches or updates related to this issue.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Apply patches provided by Wireshark promptly to ensure the security of the software.